Stephan Elliott Director, Writer Jessica Biel Larita Whittaker Actor Colin Firth Jim Whittaker Actor Kristin Scott Thomas Mrs. Whittaker Actor Ben Barnes John Whittaker Actor Kimberley Nixon Hilda Whittaker Actor Katherine Parkinson Marion Whittaker Actor Pip Torrens Lord Hurst Actor Christian Brassington Phillip Hurst Actor Charlotte Riley Sarah Hurst Actor Kris Marshall Furber Actor Jim McManus Jackson Actor Noël Coward Writer Sheridan Jobbins Writer Joseph Abrams Producer Barnaby Thompson Producer James D. Stern Producer Paul Brett Executive Producer Louise Goodsill Executive Producer Douglas E. Hansen Executive Producer James Spring Executive Producer Cindy Wilkinson Kirven Executive Producer George McGhee Executive Producer Ralph Kamp Executive Producer Peter Nichols Executive Producer Tim Smith Executive Producer Marius de Vries Original Music Martin Kenzie Cinematographer Sue Blainey Film Editing John Beard Production Design Mark Scruton Art Director Niamh Coulter Set Decoration Charlotte Walter Costume Design Celestia Fox Casting Mary Tricia Wood Casting Deborah Aquila Casting